Home / 759,649.30-1,048,456.28-488,056.71

Finding the Fourth Proportional to 759,649.30, 1,048,456.28 and 488,056.71

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Solution

The fourth proportional to 759,649.30, 1,048,456.28 and 488,056.71 is: 673,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,649.30 : 1,048,456.28 = 488,056.71 : x
  2. Step 2: Convert to fraction form
    759,649.30/1,048,456.28 = 488,056.71/x
  3. Step 3: Cross multiply
    759,649.30x = 1,048,456.28 × 488,056.71
  4. Step 4: Simplify right side
    759,649.30x = 511,706,120,477.27
  5. Step 5: Solve for x
    x = 511,706,120,477.27/759,649.30
  6. Step 6: Final answer
    x = 673,608.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.